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Contract OI history

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Nov 20, 2026 EXPIRATION

CRWD $225.00 Put

CRWD261120P00225000

Latest saved OI4,025Oct 23, 2026
Last change+27vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CRWD $225.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5,5702,7850 2026-10-09: 4,741 OI2026-10-13: 5,482 OI2026-10-14: 5,482 OI2026-10-15: 5,523 OI2026-10-16: 5,570 OI2026-10-21: 3,998 OI2026-10-23: 4,025 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CRWD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,025+27
Oct 21, 20263,998-1,572
Oct 16, 20265,570+47
Oct 15, 20265,523+41
Oct 14, 20265,4820
Oct 13, 20265,482+741
Oct 09, 20264,741No prior observation